Elements of Power System Course code: 120307 | 6 ECTS credits
Basic information
Level of Studies:
Year of Study:
2
Semester:
3
Requirements:
Knowledge of basic concepts in electrical engineering and mathematics.
Goal:
To introduce students to the relevant theoretical and practical aspects of modelling and calculation of elements of power systems.
Outcome:
Students will be able to calculate parameters necessary for designing elements of power systems.
Contents of the course
Theoretical instruction:
- Basic characteristics of modern power systems and current state. Introductory considerations on the transmission of electricity.
- Mechanical calculation of overhead lines. Equation of line of conductors. Climatic conditions for calculation.
- The equation of change in the state of conductors. General and special cases.
- Critical range and critical temperature. Examples.
- Mechanical degree of safety of the transmission line. Mounting curves. Examples.
- Pillars. Isolators. Pantry equipment. Arrangement of phase and protective conductors in the head of the pillar. Protective zone of protective conductors. Transposition.
- Electric constants of a transmission line.
- The phenomenon of the corona. A critical voltage of the corona. Loss due to the corona.
- Electrical calculation of overhead lines. Equations of voltage spreading and transmission line currents with distributed parameters. Expansion constant and characteristic impedance.
- Equivalent circuit of overhead lines. Calculation of symmetric simple-periodic and stable mode of operation of overhead lines.
- Power transformer. Types and functional properties. Parameters and equivalent circuit. The principle of conversion the voltage, current and impedances to one voltage level.
- Synchronous generator. Types and functions of the generator. Vector diagrams and replacement schemes of hydro and turbo-generators. Actual PQ diagram.
- Basic characteristics and division of consumers.
- Modern solutions of elements of electric power systems.
Practical instruction (Problem solving sessions/Lab work/Practical training):
- Practical training program follows the lecture.
Textbooks and References
- M. Đurić, Elementi elektroenergetskih sistema, Beopres, Beograd, 2009.
- M. Đurić, Rešeni problemi iz elemenata elektroenergetskih sistema, Beopres, Beograd, 2000.
- G. Dotlić, Elektroenergetika - kroz standarde, zakone, pravilnike i tehničke preporuke, SMEITS, Beograd, 2013.
Number of active classes (weekly)
Lectures:
3
Practical classes:
2
Other types of classes:
0
Grading (maximum number of points: 100)
Pre-exam obligations
Points
activities during lectures
20
activities on practial excersises
20
seminary work
20
colloquium
0
Final exam
Points
Written exam
40
Oral exam
0